KR101103279B1 - A Vessel integrated information processing system and message processing method - Google Patents

Abstract

The present invention relates to an integrated information processing system for ships, and more particularly, to a gateway for collecting and processing information generated from various equipment in a ship, a middleware server for integrating the processed information and storing the processed information in a database, and collecting and storing the collected information to a user. The present invention relates to an integrated information processing system for ships that can integrate, manage and process data and information in an e-navigation environment using visually displayed applications.
In the integrated information processing system for ships according to the present invention, in an information processing system, a gateway for receiving data transmitted from equipment using the NMEA2000 protocol and data obtained by converting the NMEA2000 protocol data received by the gateway into a MiTS protocol are received. And an application for outputting data stored in the middleware server and the middleware server for storing the data, wherein the gateway converts the data transmitted using the CAN communication network into the MiTS protocol. Is achieved.

Description

Vessel integrated information processing system and message processing method

The present invention relates to an integrated information processing system for ships, and more particularly, to a gateway for collecting and processing information generated from various equipment in a ship, a middleware server for integrating the processed information and storing the processed information in a database, and collecting and storing the collected information to a user. The present invention relates to an integrated information processing system for ships that can integrate, manage and process data and information in an e-navigation environment using visually displayed applications.

In general, e-navigation provides a harmonious collection, integration, exchange, presentation and analysis of ship and marine information by electronic means, with the aim of improving navigation and related services to protect the safety and security at sea and the marine environment. It aims to promote safety navigation.

When one LNG vessel explodes, the calorific value is about 50 times higher than the atomic bombing of Hiroshima. In 2000, a 911 terror threatened the concern about the inflow of dangerous cargo into terrorist groups. Especially, the number of seizure and loss caused by pirates of ships reached 3,201 cases from 1996 to 2005. Currently, ships are reported to the shipping company as a noon report only at noon every day, so the ship accident is known after 2 days. As such, ships captured by pirates for two days are lost due to sharpness, change of nationality, and painting. When dangerous goods are shipped, dangerous goods easily enter terrorist groups and threaten world peace.

For this reason, in November 2005, British Transport Minister Stephen emphasized the need for the introduction of e-navigation as a system for continuous monitoring of ship position at the Royal Institute of Navigation. At the meeting, Japan, the Marshall Islands, the Netherlands, Norway, Singapore, the United Kingdom and the United States submitted a joint agenda. It was approved as a work program of MSC 81 in May 2006, completed the e-navigation strategy development report in 2008, and decided to start realization in 2012.

However, a number of networked devices and systems are on board the ship. These devices and systems generate and exchange various forms of data and information. Therefore, there is a demand for the development of a system that can integrate and manage data and information on ships for e-navigation. In other words, it is necessary to collect data generated from each device, integrate and store the collected data, and process and provide a service request as appropriate.

The present invention devised to solve the problems of the prior art as described above collects the data generated from each equipment of the vessel, and converts each data into the communication protocol of IEC 61162-4, which is the standard of data and information exchange in the vessel The purpose is to.

In addition, the present invention is to transmit the data and information generated by each equipment provided in the ship using the NMEA2000 protocol to the middleware server integrated storage and management of various information to express the data in the application provided on the ship Another object is to provide an integrated information processing system including a gateway device.

An object of the present invention is an information processing system comprising: a gateway for receiving data transmitted from a device using an NMEA2000 protocol and data for receiving and storing data obtained by converting the NMEA2000 protocol data received by the gateway into a MiTS protocol. An application for outputting data stored in the middleware server and the middleware server, wherein the gateway is achieved by the integrated information processing system for ships, characterized in that for converting the data transmitted using the CAN communication network to the MiTS protocol.

Another object of the present invention is a message processing method, comprising: a step (1) of packing data generated by a local service module from a local MAU to a MAU format message and transmitting it to a local LNA and the local LNA from the local MAU; A second step of parsing the transmitted message to determine what the message is and a third step of sending the message to a remote LNA corresponding to the purpose by the local LNA and the remote LNA receiving the message And a fourth step of determining what the message is for a purpose and transmitting it to the remote MAU, and transmitting the data extracted by parsing the message to a remote service module. It is achieved by the message processing method.

Accordingly, the gateway device and the operation method for the LAN communication conversion of the ship communication equipment according to the present invention collects data generated from each equipment of the ship, each data IEC 61162-4 which is the standard of data and information exchange in the ship It is effective to convert data that can be used in integrated information processing system by converting into communication protocol of reliably.

In addition, the present invention provides a gateway device for transmitting the data and information generated by each of the equipment provided in the ship to the middleware server that integrates and stores a variety of information to display the data in the application provided in the ship In addition, there is another effect of allowing data transmitted in an NMEA2000 network to be transmitted in an Ethernet network environment.

In addition, the present invention has another effect that can be utilized as a key component for implementing e-navigation.

1 is a block diagram showing an integrated information processing system for ships according to the present invention,
2 is a detailed configuration diagram of a ship integrated information processing system according to the present invention,
3 is a block diagram showing an internal structure of a gateway according to the present invention;
4 is a configuration diagram showing an internal structure of a middleware server according to the present invention;
5 is a block diagram illustrating a message processing process according to the present invention.

The terms or words used in this specification and claims are not to be construed as being limited to their ordinary or dictionary meanings, and the inventors may appropriately define the concept of terms in order to best describe their invention. It should be interpreted as meaning and concept corresponding to the technical idea of the present invention based on the principle that the present invention.

Therefore, the embodiments described in the specification and the drawings shown in the drawings are only the most preferred embodiment of the present invention and do not represent all of the technical idea of the present invention, various modifications that can be replaced at the time of the present application It should be understood that there may be equivalents and variations.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a block diagram showing an integrated information processing system for ships according to the present invention. As shown in FIG. 1, a system for integrated management and processing of data based on a MiTS network includes a gateway 100, a middleware server 200, an application 300, and NMEA 2000 equipment 400-1, 400-2, 400. -3, ..., 400-n).

The gateway 100 collects various data generated in the NMEA2000 network and converts the data into the MiTS protocol.

The middleware server 200 receives the converted data from the gateway 100, stores the data in a database, integrates and manages the data, and transmits data requested by the application 300 used by the user.

The application 300 may process data transmitted from the middleware server 200 as an application system to provide various types of information and services to a user or another system.

The gateway 100, the middleware server 200, and the application 300 include a local network administrator (LNA) and a MiTS application unit (MAU), which are communication protocols defined in the IEC 61162-4 series, for data and information exchange. .

The gateway 100 includes at least one controller area network (CAN) -Bus module for interworking with a device using the NMEA2000 protocol connected to a controller area network (CAN) network and at least one Ethernet module for interworking with a network using the MiTS protocol. It consists of.

The gateway 100 analyzes real-time PGN (Parameter Group Number) information of equipments 400-1, 400-2, 400-3, ..., 400-n using the NMEA2000 protocol and uses the MiTS protocol. By converting the information in the middleware server 200 to be transmitted in real time to be used later in the application 300 or related systems.

The gateway 100 collects the data generated by the equipment 400-1, 400-2, 400-3, ..., 400-n in the ship using one or more NMEA2000 protocol and uses the upper MiTS protocol. The equipment in the vessel outputs the GPS 400-1 for outputting the position information of the vessel in the ocean, the weather 400-2 for outputting the weather information in the ocean, and the depth information of the ship's location. Depth (400-3) and the like, in addition to the equipment for measuring or generating a variety of information required in the ship further includes.

In order to convert various data transmitted using the NMEA2000 communication protocol to the MiTS protocol, the gateway 100 must convert various data according to a unified data format. The unified data format preferably uses a tag-based data format. Do.

The following is the conversion format for converting the NMEA2000 protocol to the MiTS protocol based on a tag.

NMEA2000 MiTS Tag Name (p Class) Field Tag Name Format Description NAME Industry group
(4 = marine) p Identify p class Device class MG Main group System instance nnn Main Group Instance Number Device function SG Sub group Device instance nnn Sub Group Instance Number PGN PGN Field Data Type TC Data Type Code (Type / Role) PGN + PGN Field Number nnnnnnnn Unique Serial Number

Each Tag Name is generated by mapping from the data format of NMEA2000 protocol, and information generated from various devices is transmitted and managed with reference to Tag Name and Tag Number given together with Tag Name. In detail, the Tag Name may be assigned by using an NMEA field (address claim) and a PGN + PGN field of the NMEA2000 protocol.

Since the Industry Group only needs to consider marine (industry group 4), it is fixed to p. The System Instance represents an instance of each network when there are networks using multiple NMEA2000 protocols in the ship.

Device Instance means an instance of each device when there are several devices having the same device class / device function in a network using one NMEA2000 protocol.

Meanwhile, the gateway 100 may select and use one of two service modules according to a network state and a system state. First, when it is determined that the network or system is in a relatively good condition so that the network or system is not loaded, the service module is called in real time for each information or data collection time and stored in the middleware server 200.

Second, when it is determined that the state of the network or system is unstable or under load, the information or data are accumulated in a predetermined size and stored in the middleware server 200 at a time.

2 is a detailed configuration diagram of a ship integrated information processing system according to the present invention. As shown in FIG. 2, the integrated information processing system for ships may have various types of structures, but the system structure shown in FIG. 2 shows the most preferable structure.

The system consists of three devices: a gateway, a middleway server, and an application. Each system comprises a Local Network Administrator (LNA) 143, 213, and 313 and a MiTS Application Unit (MAU) 142, 212, and 312 for information exchange.

The LNAs 143, 213, and 313 may perform mutual communication, and the MAUs 142, 212, and 312 may use communication services of the LNAs 143, 213, and 313. LNAs 143, 213, and 313 may service one or more MAUs 142, 212, and 312, and the MAUs 142, 212, and 312 communicate with higher level applications.

The LNAs 143, 213, and 313 are modules that manage the network and are responsible for message communication between the MAUs 142, 212, and 312. It is also responsible for session management, transaction management, and MAU name look-up. In particular, connection, state change, and termination of the MAUs 142, 212, and 312 may be performed through session management, and connection and maintenance with the remote LNAs 143, 213, and 313 may also be performed. Each LNA 143, 213, 313 uses a handshaking protocol to exchange information with each other when connecting to the remotely located LNA 143, 213, 313.

The functions of the MAUs 142, 212, and 312 are largely state management, session control between access points inside the MAUs 142, 212, and 312, and authentication for security. It can be divided into congestion control, interface management, which is a set of internal connection points. Other features include bulk data trasfer.

Intercommunication between the MAUs 142, 212 and 312 and the LNAs 143, 213 and 313 or between the LNAs 143, 213 and 313 and the LNAs 143, 213 and 313 allows data and control by sending and receiving promised messages. Makes the reliability higher. The message processing module can create such a promised message and break up the received message to analyze the form. Meanwhile, the message processing process is as shown in FIG. 5.

3 is a block diagram showing the internal structure of a gateway according to the present invention. As shown in FIG. 3, the gateway 100 tags a CAN communication unit 110 for communication with a device using the NMEA2000 protocol, a PGN analysis processing unit 120 for analyzing a PGN of the NMEA2000 protocol, and tags the analyzed PGN. Tag conversion processing unit 130 for converting and storing in a format, and a communication processing unit 140 for transmitting the tag converted data to any one or more of the application or various systems using a LAN communication network.

The CAN communication unit 110 includes a CAN-to-Serial board 111 for receiving data when data generated by various equipment in a ship using the NMEA2000 protocol is transmitted through a CAN network. The CAN-to-Serial board 111 included in the CAN communication unit 110 is located at the end of the gateway 100 and serves to receive data using the NMEA2000 protocol of the CAN communication environment transmitted from the outside.

The PGN analysis processing unit 120 performs the PGN analysis module 121 and the NMEA2000 protocol and TAG information conversion for parsing data transmitted from a device using the NMEA2000 protocol received by the CAN-to-Serial board 111. It includes an internal reference database 122 in which various kinds of information are defined in advance.

The tag conversion processing unit 130 transmits the data with the tag information conversion module 131 for converting the data analyzed by the PGN analysis processing unit 120 to TAG information, which is a data standard used in MiTS based on IEC 61162-4. Internal storage database 132 for performing a check of the equipment information and the presence of information.

The communication processor 140 is a component for transmitting data stored in the internal storage database 132 to any one or more applications or various systems requesting data. The communication processing unit 140 performs a message processing module 141 for marshalling / de-marshalling data and packing / unpacking a message for transmitting a message, and a MiTS Application Unit (MAU) and a MAU for communicating with a higher application. It includes a Local Network Administrator (LNA) that handles protocols for accessing the network, and a Transport Layer Interface (TLI) for communication with other elements connected to the network.

4 is a block diagram showing the internal structure of a middleware server according to the present invention. As shown in FIG. 4, when a service request comes from a gateway or an application, the service module of the middleware server sends a query statement to a database through open database connectivity (ODBC).

When a response to a query comes from the database, it responds with a service request.

5 is a block diagram illustrating a message processing process according to the present invention. As shown in FIG. 5, the message processing module is a module having a function of analyzing a type field of a message to determine what message and then processing the message. The message processing module is divided into a packing and an unpacking process. When a gateway, middleware server, or application wants to send data to or request data from each other, the local MAU creates a message for its purpose and sends it to the local LNA. Also, the local LNA receives a message from the local MAU, determines what the message is for, and sends the message to a remote LNA.

After sending a message from the local LNA to the remote LNA, when the remote LNA receives the message, it checks what the message is, processes it, and then removes the header part while leaving only the data part for transmission to the remote MAU. You can also look at the form and do something. In case of a message requesting data, the message is disassembled to know what data is requested. The process of breaking up each of these messages is message unpacking.

Message packing and unpacking modules are designed based on transaction messages of a function type that requests data from and responds to the requested data among the transaction types defined in the standard.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is clearly understood that the same is by way of illustration and example only and is not to be taken by way of limitation, Various changes and modifications will be possible.

100: gateway 110: CAN communication unit
111: CAN-to-Serial Board 120: PGN Analysis Processing Unit
121: PGN Analysis Module 122: Internal Reference Database
130: Tag conversion processing unit 131: Tag information conversion module
132: internal storage database 140: communication processing unit
141: message processing module 142: gateway MAU
143: Gateway LNA 144: Gateway TLI
200: middleware server 210: middleware server LNA & MAU
211: Service Module 212: Middleware Server MAU
213: Middleware Server LNA 214: Database
222: ODBC 300: application
311: Application Service Module 312: Application MAU
313: Application LNA 400: NMEA2000 Equipment

Claims (14)

In the information processing system,
A gateway for receiving data transmitted from equipment using the NMEA2000 protocol;
A middleware server for receiving and storing data converted from the NMEA2000 protocol data received by the gateway into a MiTS protocol; And
Application for outputting data stored in the middleware server
Including, wherein the gateway comprises a service module for performing the requested service;
A CAN communication unit for receiving data transmitted from the CAN communication network;
A PGN analysis processor for parsing the data and analyzing the PGN;
A tag conversion processing unit for converting the parameter analyzed by the PGN analysis processing unit into Tag information in a Tag format; And
Communication processing unit for transmitting the tag information converted by the tag conversion processing unit to the service module
Including;
The gateway is a vessel integrated information processing system, characterized in that for converting the data transmitted using the CAN communication network to the MiTS protocol.
delete The method of claim 1,
The CAN communication unit is a ship integrated information processing system comprising a CAN to Serial board for receiving the data from one or more devices using the NMEA2000 protocol.
The method of claim 1,
The PGN analysis processing unit includes a PGN analysis module for parsing the data; And
Internal reference database that defines and stores NMEA2000 protocol and Tag information to grasp the type of the parsed parameter
Integrated information processing system for ships comprising a.
The method of claim 1,
The tag conversion processing unit includes a tag information conversion module for converting the parameter value into the tag format; And
Internal storage database for checking the information of the equipment and the presence of information
Integrated information processing system for ships comprising a.
The method of claim 1,
The communication processing unit may include: a message processing module for marshalling or de-marshalling the tag information for transmission of a message including the tag information;
An MAU for communicating with the higher service module;
An LNA for processing a protocol for the MAU to access a network; And
TLI (TLI) for communicating with any one or more of the applications or systems connected to the network
Integrated information processing system for ships comprising a.
The method according to claim 6,
The message processing module is a vessel integrated information processing system, characterized in that for packing (packing) or unpacking (unpacking) the message.
The method according to claim 6,
The system is integrated marine information processing system, characterized in that including the middleware server.
The method of claim 1,
The middleware server includes a service module for performing a requested service;
An MAU for communicating with the service module;
An LNA for processing a protocol for the MAU to access a network;
TLI (TLI) for communicating with any one or more of the application or system connected to the network; And
Database for storing data transmitted from the gateway
Integrated information processing system for ships comprising a.
The method of claim 9,
The system comprises the gateway integrated information processing system for ships, characterized in that.
The method of claim 1,
The application includes a service module for requesting a service to output data stored in the middleware server;
An MAU for communicating with the service module;
An LNA for processing a protocol for the MAU to access a network; And
TLI (TLI) for communicating with any one or more of the application or the middleware server connected to the network
Integrated information processing system for ships comprising a.
The method of claim 11,
And the application outputs a list of one or more of the devices connected to the gateway and visually outputs data on the device selected by the user.
In the message processing method,
A first step of packing data generated by the local service module from the local MAU into a MAU format message and transmitting the data to the local LNA;
A second step in which the local LNA parses the message transmitted from the local MAU and determines what purpose the message is;
Transmitting, by the local LNA, the message to a remote LNA corresponding to the purpose;
A fourth step of receiving, by the remote LNA, the message and determining what the message is and transmits the message to a remote MAU; And
The fifth step in which the remote MAU parses the message and transmits the extracted data to a remote service module;
Message processing method of the integrated information processing system for ships comprising a.
The method of claim 13,
The local service module or the remote service module is any one of a gateway, a middleware server or an application, and is not identical to each other.

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